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Removed linkExecutable() (dead code).

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This commit is contained in:
David Nadlinger 2012-09-02 21:25:08 +02:00
parent 1cb982f568
commit 4b23e794ca
2 changed files with 2 additions and 170 deletions
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161
driver/linker.cpp
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@ -58,167 +58,6 @@ void linkModules(llvm::Module* dst, const Module_vector& MV)
static llvm::sys::Path gExePath;
int linkExecutable(const char* argv0)
{
Logger::println("*** Linking executable ***");
// error string
std::string errstr;
// find the llvm-ld program
llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld");
if (ldpath.isEmpty())
{
ldpath.set("llvm-ld");
}
// build arguments
std::vector<const char*> args;
// first the program name ??
args.push_back("llvm-ld");
// output filename
std::string exestr;
if (global.params.exefile)
{ // explicit
exestr = global.params.exefile;
}
else
{ // inferred
// try root module name
if (Module::rootModule)
exestr = Module::rootModule->toChars();
else
exestr = "a.out";
}
if (global.params.os == OSWindows && !(exestr.substr(exestr.length()-4) == ".exe"))
exestr.append(".exe");
std::string outopt = "-o=" + exestr;
args.push_back(outopt.c_str());
// set the global gExePath
gExePath.set(exestr);
assert(gExePath.isValid());
// create path to exe
llvm::sys::Path exedir(llvm::sys::path::parent_path(gExePath.str()));
if (!llvm::sys::fs::exists(exedir.str()))
{
exedir.createDirectoryOnDisk(true, &errstr);
if (!errstr.empty())
{
error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
fatal();
}
}
// strip debug info
if (!global.params.symdebug)
args.push_back("-strip-debug");
// optimization level
if (!optimize())
args.push_back("-disable-opt");
else
{
switch(optLevel())
{
case 0:
args.push_back("-disable-opt");
break;
case 1:
args.push_back("-globaldce");
args.push_back("-disable-opt");
args.push_back("-globaldce");
args.push_back("-mem2reg");
case 2:
case 3:
case 4:
case 5:
// use default optimization
break;
default:
assert(0);
}
}
// inlining
if (!(global.params.useInline || doInline()))
{
args.push_back("-disable-inlining");
}
// additional linker switches
for (unsigned i = 0; i < global.params.linkswitches->dim; i++)
{
char *p = static_cast<char *>(global.params.linkswitches->data[i]);
args.push_back(p);
}
// native please
args.push_back("-native");
// user libs
for (unsigned i = 0; i < global.params.libfiles->dim; i++)
{
char *p = static_cast<char *>(global.params.libfiles->data[i]);
args.push_back(p);
}
// default libs
switch(global.params.os) {
case OSLinux:
case OSMacOSX:
args.push_back("-ldl");
case OSFreeBSD:
args.push_back("-lpthread");
args.push_back("-lm");
break;
case OSHaiku:
args.push_back("-lroot");
break;
case OSWindows:
// FIXME: I'd assume kernel32 etc
break;
}
// object files
for (unsigned i = 0; i < global.params.objfiles->dim; i++)
{
char *p = static_cast<char *>(global.params.objfiles->data[i]);
args.push_back(p);
}
// print link command?
if (!quiet || global.params.verbose)
{
// Print it
for (int i = 0; i < args.size(); i++)
printf("%s ", args[i]);
printf("\n");
fflush(stdout);
}
// terminate args list
args.push_back(NULL);
// try to call linker!!!
if (int status = llvm::sys::Program::ExecuteAndWait(ldpath, &args[0], NULL, NULL, 0,0, &errstr))
{
error("linking failed:\nstatus: %d", status);
if (!errstr.empty())
error("message: %s", errstr.c_str());
return status;
}
return 0;
}
//////////////////////////////////////////////////////////////////////////////
int linkObjToBinary(bool sharedLib)
{
Logger::println("*** Linking executable ***");